WO2003059537A1 - Cleaning method and cleaning fluid for aeration bodies - Google Patents
Cleaning method and cleaning fluid for aeration bodies Download PDFInfo
- Publication number
- WO2003059537A1 WO2003059537A1 PCT/AT2003/000015 AT0300015W WO03059537A1 WO 2003059537 A1 WO2003059537 A1 WO 2003059537A1 AT 0300015 W AT0300015 W AT 0300015W WO 03059537 A1 WO03059537 A1 WO 03059537A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cleaning
- cleaning liquid
- component
- pores
- water
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000012530 fluid Substances 0.000 title claims abstract description 10
- 238000005273 aeration Methods 0.000 title abstract description 16
- 239000011148 porous material Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000005276 aerator Methods 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 27
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 23
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 16
- 239000010865 sewage Substances 0.000 claims description 8
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000008139 complexing agent Substances 0.000 claims description 5
- 150000002978 peroxides Chemical class 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 2
- -1 alkaline earth metal carbonates Chemical class 0.000 claims 2
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 claims 1
- 230000029142 excretion Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000012459 cleaning agent Substances 0.000 abstract description 10
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 24
- 239000000243 solution Substances 0.000 description 19
- 238000009423 ventilation Methods 0.000 description 12
- 239000002351 wastewater Substances 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000001994 activation Methods 0.000 description 6
- 150000004760 silicates Chemical class 0.000 description 6
- 239000003599 detergent Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- 230000004913 activation Effects 0.000 description 4
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 150000001342 alkaline earth metals Chemical class 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- LRCFXGAMWKDGLA-UHFFFAOYSA-N dioxosilane;hydrate Chemical compound O.O=[Si]=O LRCFXGAMWKDGLA-UHFFFAOYSA-N 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 210000004197 pelvis Anatomy 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 239000008237 rinsing water Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 208000004434 Calcinosis Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920002257 Plurafac® Polymers 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000005791 algae growth Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- HHSPVTKDOHQBKF-UHFFFAOYSA-J calcium;magnesium;dicarbonate Chemical class [Mg+2].[Ca+2].[O-]C([O-])=O.[O-]C([O-])=O HHSPVTKDOHQBKF-UHFFFAOYSA-J 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- NGHMEZWZOZEZOH-UHFFFAOYSA-N silicic acid;hydrate Chemical compound O.O[Si](O)(O)O NGHMEZWZOZEZOH-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical class [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
- B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
- B01F23/23126—Diffusers characterised by the shape of the diffuser element
- B01F23/231264—Diffusers characterised by the shape of the diffuser element being in the form of plates, flat beams, flat membranes or films
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/04—Surfactants, used as part of a formulation or alone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/083—Mineral agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Detergent Compositions (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Gas Separation By Absorption (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003205410A AU2003205410A1 (en) | 2002-01-17 | 2003-01-16 | Cleaning method and cleaning fluid for aeration bodies |
EP03702182A EP1472019B1 (en) | 2002-01-17 | 2003-01-16 | Cleaning method and cleaning fluid for aeration bodies |
DE50302661T DE50302661D1 (en) | 2002-01-17 | 2003-01-16 | CLEANING PROCEDURE AND CLEANING LIQUID FOR FAN BODY |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0006902A AT411359B (en) | 2002-01-17 | 2002-01-17 | CLEANING PROCEDURE AND CLEANING LIQUID FOR FAN BODY |
ATA69/2002 | 2002-01-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003059537A1 true WO2003059537A1 (en) | 2003-07-24 |
Family
ID=3591054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2003/000015 WO2003059537A1 (en) | 2002-01-17 | 2003-01-16 | Cleaning method and cleaning fluid for aeration bodies |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1472019B1 (en) |
AT (2) | AT411359B (en) |
AU (1) | AU2003205410A1 (en) |
DE (1) | DE50302661D1 (en) |
ES (1) | ES2260602T3 (en) |
PT (1) | PT1472019E (en) |
TR (1) | TR200301250T1 (en) |
WO (1) | WO2003059537A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2226294A1 (en) * | 2007-12-27 | 2010-09-08 | JFE Engineering Corporation | Diffuser apparatus, and diffuser apparatus running method |
GB2513918A (en) * | 2013-05-10 | 2014-11-12 | Minus Engineering Ltd | Improved process for treatment of minewater |
NO20171587A1 (en) * | 2014-10-20 | 2016-04-21 | Storvik Aqua As | A diffuser and a method for evacuating water from a diffuser and a method for cleaning or disinfecting a diffuser |
WO2017009643A3 (en) * | 2015-07-14 | 2017-03-09 | Satra Technology Centre | Abrasion durability testing device |
EP3070059A4 (en) * | 2013-11-13 | 2017-05-24 | Kubota Corporation | Air diffusion pipe and method for washing air diffusion pipe |
CN111533281A (en) * | 2020-05-12 | 2020-08-14 | 上海市政工程设计研究总院(集团)有限公司 | Pipeline dredging and purifying robot adopting microorganism embedding technology |
WO2021234686A1 (en) | 2020-05-17 | 2021-11-25 | Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. | Method for water purification and sanitization |
CN115417492A (en) * | 2022-08-30 | 2022-12-02 | 同济大学建筑设计研究院(集团)有限公司 | Advanced oxidation system based on underwater vision and control method |
CN115608001A (en) * | 2022-12-05 | 2023-01-17 | 淄博包钢灵芝稀土高科技股份有限公司 | Recycling process of aged aluminum remover |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104138867A (en) * | 2014-06-23 | 2014-11-12 | 梧州恒声电子科技有限公司 | Plastic cleaning method |
CN106380016A (en) * | 2016-08-31 | 2017-02-08 | 云南炳森环境工程有限公司 | Steel pickling wastewater treatment and reuse method and device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2686138A (en) * | 1951-09-15 | 1954-08-10 | Chicago Pump Co | Method for cleaning diffuser plates |
US4382867A (en) * | 1980-09-29 | 1983-05-10 | Water Pollution Control Corp | In place gas cleaning of diffusion elements |
US4402758A (en) * | 1980-09-11 | 1983-09-06 | Sterling Drug Inc. | Method for removing scale from porous diffusion tiles |
DE3333602A1 (en) * | 1982-09-16 | 1984-03-22 | Osakeyhtiö Nokia AB, 00101 Helsinki | METHOD FOR REMOVAL OR PREVENTING CLOGS IN DEEP AERATORS IN WATER TREATMENT AND WATER TREATMENT UNDER OPERATING CONDITIONS |
US5051193A (en) * | 1986-03-06 | 1991-09-24 | Aeration Engineering Resources Corporation | Waste water treatment process |
US5378355A (en) * | 1992-12-04 | 1995-01-03 | Water Pollution Control Corporation | Direct delivery in-situ diffuser cleaning |
-
2002
- 2002-01-17 AT AT0006902A patent/AT411359B/en not_active IP Right Cessation
-
2003
- 2003-01-16 PT PT03702182T patent/PT1472019E/en unknown
- 2003-01-16 DE DE50302661T patent/DE50302661D1/en not_active Expired - Lifetime
- 2003-01-16 EP EP03702182A patent/EP1472019B1/en not_active Expired - Lifetime
- 2003-01-16 AT AT03702182T patent/ATE320323T1/en not_active IP Right Cessation
- 2003-01-16 AU AU2003205410A patent/AU2003205410A1/en not_active Abandoned
- 2003-01-16 TR TR2003/01250T patent/TR200301250T1/en unknown
- 2003-01-16 WO PCT/AT2003/000015 patent/WO2003059537A1/en not_active Application Discontinuation
- 2003-01-16 ES ES03702182T patent/ES2260602T3/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2686138A (en) * | 1951-09-15 | 1954-08-10 | Chicago Pump Co | Method for cleaning diffuser plates |
US4402758A (en) * | 1980-09-11 | 1983-09-06 | Sterling Drug Inc. | Method for removing scale from porous diffusion tiles |
US4382867A (en) * | 1980-09-29 | 1983-05-10 | Water Pollution Control Corp | In place gas cleaning of diffusion elements |
DE3333602A1 (en) * | 1982-09-16 | 1984-03-22 | Osakeyhtiö Nokia AB, 00101 Helsinki | METHOD FOR REMOVAL OR PREVENTING CLOGS IN DEEP AERATORS IN WATER TREATMENT AND WATER TREATMENT UNDER OPERATING CONDITIONS |
US5051193A (en) * | 1986-03-06 | 1991-09-24 | Aeration Engineering Resources Corporation | Waste water treatment process |
US5378355A (en) * | 1992-12-04 | 1995-01-03 | Water Pollution Control Corporation | Direct delivery in-situ diffuser cleaning |
US5597491A (en) * | 1992-12-04 | 1997-01-28 | Water Pollution Control Corporation | Direct delivery in-situ diffuser cleaning |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2226294A4 (en) * | 2007-12-27 | 2013-03-27 | Jfe Eng Corp | Diffuser apparatus, and diffuser apparatus running method |
EP2226294A1 (en) * | 2007-12-27 | 2010-09-08 | JFE Engineering Corporation | Diffuser apparatus, and diffuser apparatus running method |
GB2513918A (en) * | 2013-05-10 | 2014-11-12 | Minus Engineering Ltd | Improved process for treatment of minewater |
EP3070059A4 (en) * | 2013-11-13 | 2017-05-24 | Kubota Corporation | Air diffusion pipe and method for washing air diffusion pipe |
US10071924B2 (en) | 2013-11-13 | 2018-09-11 | Kubota Corporation | Diffusion pipe and method for cleaning diffusion pipe |
US10569236B2 (en) | 2014-10-20 | 2020-02-25 | Storvik Aqua As | Diffusor |
NO20171587A1 (en) * | 2014-10-20 | 2016-04-21 | Storvik Aqua As | A diffuser and a method for evacuating water from a diffuser and a method for cleaning or disinfecting a diffuser |
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DE50302661D1 (en) | 2006-05-11 |
PT1472019E (en) | 2006-08-31 |
EP1472019B1 (en) | 2006-03-15 |
TR200301250T1 (en) | 2004-09-21 |
AT411359B (en) | 2003-12-29 |
ES2260602T3 (en) | 2006-11-01 |
EP1472019A1 (en) | 2004-11-03 |
AU2003205410A1 (en) | 2003-07-30 |
ATE320323T1 (en) | 2006-04-15 |
ATA692002A (en) | 2003-05-15 |
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